private static void DownLoadFinishedCallback(IAsyncResult ar)
{
HttpAsyncDownLoader state = (HttpAsyncDownLoader)ar.AsyncState;
try
{
WebResponse response = state._request.EndGetResponse(ar);
state._response = response;
Stream stream = response.GetResponseStream();
long contentLength = response.ContentLength;
long currentSize = state._startPos;
byte[] bytes = new byte[BUFFER_SIZE];
int readSize = stream.Read(bytes, 0, bytes.Length);
currentSize += readSize;
while (readSize > 0)
{
state._fileStream.Write(bytes, 0, readSize);
readSize = stream.Read(bytes, 0, bytes.Length);
currentSize += readSize;
int percent = (int)((double)currentSize * 100 / contentLength);
if (state.percent < percent)
{
state.percent = percent;
}
}
state._fileStream.Flush();
stream.Close();
state.Dispose();
if (state.downLoadFinishedCallback != null)
{
state.downLoadFinishedCallback(true);
}
}
catch (Exception e)
{
state.Dispose();
FileInfo info = new FileInfo(state.nativePath);
if (info.Exists && info.Length == 0)
{
info.Delete();
}
if (state.downLoadFinishedCallback != null)
{
state.downLoadFinishedCallback(false);
}
if (state.errorCallback != null)
{
state.errorCallback(e);
}
}
}
private void Start()
{
if (File.Exists(_nativePath))
{
File.Delete(_nativePath);
}
_downLoader = new HttpAsyncDownLoader(_url, _nativePath, ErrorCallback, DownLoadFinishedCallback);
_downLoader.Start();
}
